The toadfish makes use of resonance in a closed tube to produce very loud sounds

Question

The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. The sound level of this creature has been measured as high as 100 dB.

The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. The sound level of this creature has been measured as high as 100 dB. (a) Calculate the intensity of the sound wave emitted. W/m2 (b) What is the intensity level if ten of these toadfish try to make a sound at the same time? dB i need both answers

Explanation / Answer

100=10log(I/10^-12)

or,I=10^10*10^-12 =10^-2 =0.01 W/m^2 [ANS]

b)for ten toadfishes I=10*0.01 W/m^2 =0.1 W/m^2

Intensity level =10log(0.1/10^-12) dB =110 dB [ANS]

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